Mainframe Technology Architect

The Technology Architect will act as a subject matter expert in Mainframe Performance and Capacity Management supporting both operational stability (KTLO) and project initiatives including post-migration activities and disaster recovery implementations.

Key Responsibilities

1. Performance & Capacity Management

• Provide operational support for day-to-day mainframe performance and capacity activities.
• Analyze resource utilization and capacity data across mainframe systems (IMS/DB2). Develop and maintain capacity plans including forecasting and optimization.
• Conduct workload analysis and provide recommendations for infrastructure efficiency.
• Support vendor billing reconciliation and respond to application team inquiries.
• Perform impact analysis for project-related workload changes.

2. Incident & Problem Management

• Analyze incidents identify root causes and implement preventive measures.
• Use IBM and ISV tools for incident tracking and resolution.
• Maintain system health and proactively prevent issues.
• Ensure timely ticket resolution and stakeholder communication.
• Participate in on-call/standby support as required.
• Adhere to SLA requirements and operational procedures (MOPs).

3. Disaster Recovery & Infrastructure

• Support installation of mainframe DR hardware at co-location sites.
• Participate in disaster recovery exercises and ensure system readiness.
• Monitor systems to maintain high availability and resilience.

4. Hardware & Platform Management

• Plan configure and support installation of new mainframe hardware.
• Contribute to mainframe refresh and upgrade initiatives.

5. Migration & Decommissioning

• Support migration of mainframe software and networking components.
• Assist with decommissioning of legacy systems and applications.

6. Collaboration & Stakeholder Engagement

• Work closely with IT Operations Infrastructure Application Development and Production Support teams.
• Engage with hardware/software vendors to design and implement solutions.
• Communicate effectively through documentation presentations and stakeholder updates.

• Minimum 7 years of experience in Mainframe Performance & Capacity Management.
• Strong experience with:
  • Capacity management tools (MICS RMF and other ISV tools)
  • SMF data analysis
  • CPU capacity planning upgrades and what-if modeling
  • Mainframe billing reconciliation (ISV workloads)
  • Workload estimation using MIPS/MSUs in multi-partition environments
  • zIIP utilization
  • SAS programming
• Deep understanding of:
  • IBM Mainframe CPU concepts (CBUs CoD)
  • Performance monitoring and reporting tools
• Proven ability to identify CPU cost optimization opportunities.

• Must adhere to SLA metrics and operational standards
• Strong analytical problem-solving and communication skills required
• Ability to work onsite and collaborate across multiple teams